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Canon RF 24- vs SIRUI

Updated July 2026 — Canon RF 24- wins on versatility and stabilization, SIRUI wins on autofocus.

The Canon RF 24-105mm lens offers greater versatility and value for general photography, while the SIRUI 20mm lens excels in cinematic applications.

Why Canon RF 24- is better

Price

Canon lens is $476.95, cheaper than SIRUI's $599.00

Versatility

Canon lens covers wide-angle to short-telephoto

Bundled Items

Canon includes a memory card and bag

Why SIRUI is better

Cinematic Quality

SIRUI provides a 1.33x anamorphic view

Low-Light Performance

SIRUI's T1.8 aperture enhances low-light shooting

Autofocus Features

SIRUI has eye-tracking and AF/MF switch

Overall score

Canon RF 24-
85
SIRUI
78

Specifications

SpecCanon RF 24-SIRUI
Focal Length24-105mm20mm
Aperturef/4-7.1T1.8
Image StabilizationYesNo
Weight500g480g
Focus TypeSTMSTM

Dimension comparison

Canon RF 24-SIRUI

Overview of the Canon RF 24-105mm f/4-7.1 IS STM Lens

The Canon RF 24-105mm f/4-7.1 IS STM Lens is a versatile standard zoom lens priced at $476.95. This lens is designed for everyday photography and casual video creation, covering a range from wide-angle to short-telephoto perspectives. Its compact and lightweight design makes it ideal for travel and street photography, catering to both amateur and seasoned photographers alike.

The lens features an integrated Optical Image Stabilizer that provides up to five stops of correction, which is particularly beneficial when shooting handheld in low-light conditions. Additionally, the STM stepping motor ensures smooth and quiet autofocus, making it a reliable choice for video recording. The unique Center Macro Focus position allows for close-up shooting, enhancing creative options for detailed subjects.

Overview of the SIRUI 20mm T1.8 1.33X Anamorphic Lens

The SIRUI 20mm T1.8 1.33X Anamorphic Lens is priced at $599.00, making it a premium option for videographers and filmmakers. This lens offers a cinematic experience with a 1.33x squeeze factor, producing a stunning 2.35:1 widescreen ratio in 16:9 mode. Its wide T1.8 aperture allows for excellent low-light performance, reducing ISO needs for clearer night scenes and providing remarkable depth of field control.

With a focus on video capabilities, the SIRUI lens features selectable manual and autofocus options powered by a precision STM stepping motor. This allows for smooth and accurate focus transitions, which is critical for cinematic storytelling. Its design caters to Super 35 and APS-C sensors, making it an excellent fit for a variety of shooting conditions.

Price Comparison

The Canon RF 24-105mm f/4-7.1 IS STM Lens is priced at $476.95, while the SIRUI 20mm T1.8 1.33X Anamorphic Lens is slightly more expensive at $599.00. This means that the Canon lens is about 20% cheaper than its competitor.

When considering the value for money, the Canon lens includes additional items such as a 64GB memory card and a camera bag, which enhances its overall package for photographers looking for a complete solution. In contrast, the SIRUI lens focuses purely on delivering high-quality cinematic results, which may justify its higher price for specialized users.

Intended Use and Versatility

The Canon RF 24-105mm f/4-7.1 IS STM Lens is designed for a wide range of photography styles, making it a highly versatile option. It excels in travel, street photography, family moments, and casual video work, allowing users to switch between various shooting styles without changing lenses. The flexible zoom range from wide-angle to short-telephoto focal lengths makes it suitable for capturing everything from landscapes to portraits.

On the other hand, the SIRUI 20mm T1.8 lens is tailored specifically for filmmakers and videographers. Its wide-angle perspective is ideal for expansive landscapes and tight indoor spaces, providing a broader field of view. This specialization makes it less versatile for general photography but unparalleled for cinematic applications.

Autofocus and Image Stabilization

Autofocus capabilities differ significantly between the two lenses. The Canon lens employs a smooth STM stepping motor, ensuring quiet and precise autofocus performance. This feature is particularly beneficial for video recording, where focus transitions need to be unobtrusive.

Conversely, the SIRUI lens also utilizes a precision STM stepping motor but adds features like eye-tracking capabilities and an AF/MF switch. This enhances control for cinematographers, making it a better choice for video-focused projects. However, the SIRUI lens lacks the built-in Optical Image Stabilization found in the Canon lens, which may result in less stable images when shooting handheld.

Build Quality and Design

Both lenses are designed with portability in mind, but they cater to different needs. The Canon RF 24-105mm lens is compact and lightweight, making it comfortable for extended shooting sessions, especially during travel. Its practical design includes a configurable Control Ring for quick adjustments to exposure settings, enhancing usability.

The SIRUI 20mm lens, while also compact, weighs 480g (1.06lb), which is manageable for handheld shooting and gimbal work. Its robust design is optimized for advanced technology and visual quality, catering to professional productions. However, it does not offer the same level of user-friendly features as the Canon lens for general photography.

User Experience and Additional Features

The user experience with the Canon RF 24-105mm f/4-7.1 IS STM lens is enhanced by its bundled items, including a 64GB memory card and a camera bag. This makes it an attractive package for those just starting in photography or for those who want a convenient all-in-one solution.

In contrast, the SIRUI lens does not come with additional accessories, focusing solely on lens performance. While it provides a cinematic feel and excellent autofocus capabilities, users may need to invest in additional gear to fully utilize its potential in film production.

Which should you buy?

Choosing between the Canon RF 24-105mm f/4-7.1 IS STM Lens and the SIRUI 20mm T1.8 1.33X Anamorphic Lens ultimately depends on your specific needs. If you seek a versatile, user-friendly lens perfect for a variety of photography styles, the Canon lens at $476.95 is the better option. Its additional bundled items increase its overall value, making it suitable for everyday use.

However, if your primary focus is on filmmaking and you require specialized features like a widescreen cinematic ratio and precise autofocus options, the SIRUI lens priced at $599.00 is worth considering. It provides unique capabilities for video production that the Canon lens cannot match, making it a fantastic choice for dedicated filmmakers.